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\frac{9-x}{2}-5+x=x
Divide each term of 2x-10 by 2 to get -5+x.
\frac{9}{2}-\frac{1}{2}x-5+x=x
Divide each term of 9-x by 2 to get \frac{9}{2}-\frac{1}{2}x.
\frac{9}{2}-\frac{1}{2}x-\frac{10}{2}+x=x
Convert 5 to fraction \frac{10}{2}.
\frac{9-10}{2}-\frac{1}{2}x+x=x
Since \frac{9}{2} and \frac{10}{2} have the same denominator, subtract them by subtracting their numerators.
-\frac{1}{2}-\frac{1}{2}x+x=x
Subtract 10 from 9 to get -1.
-\frac{1}{2}+\frac{1}{2}x=x
Combine -\frac{1}{2}x and x to get \frac{1}{2}x.
-\frac{1}{2}+\frac{1}{2}x-x=0
Subtract x from both sides.
-\frac{1}{2}-\frac{1}{2}x=0
Combine \frac{1}{2}x and -x to get -\frac{1}{2}x.
-\frac{1}{2}x=\frac{1}{2}
Add \frac{1}{2} to both sides. Anything plus zero gives itself.
x=\frac{1}{2}\left(-2\right)
Multiply both sides by -2, the reciprocal of -\frac{1}{2}.
x=\frac{-2}{2}
Multiply \frac{1}{2} and -2 to get \frac{-2}{2}.
x=-1
Divide -2 by 2 to get -1.